ตัวแปลงไฟล์ออนไลน์ฟรี TAR.LZMA เป็น 7Z

This is a multi-thread method for compressing files, used in 7-Zip archivers for creating compressed 7z archives, and also in other archivers. It has better compression performance in terms of percentage and speed than bzip2 archives. It’s distributed with open code for developers.

This format works based on the main compression algorithm LZMA. It was originally used in 7-Zip archives. Other compression algorithms can be used in 7z since this format has open architecture for developers. It has a high compression coefficient. The encryption algorithm is AES-256.